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Erlangen 2018 – scientific programme

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Q: Fachverband Quantenoptik und Photonik

Q 40: Poster: Quantum Optics and Photonics III

Q 40.6: Poster

Tuesday, March 6, 2018, 16:15–18:15, Zelt West

Simultaneous single ion addressing for quantum information processing — •Julian Rickert, Alexander Erhard, Roman Stricker, Lukas Postler, Esteban Martinez, Thomas Monz, Philipp Schindler, and Rainer Blatt — Institut für Experimentalphysik, Universität Innsbruck, Technikerstr. 25, 6020 Innsbruck, Austria

Single ion addressing is a major challenge for building a trapped ion quantum computer. We propose a novel single ion addressing scheme which allows simultaneous manipulation of multiple ions. This newly developed scheme will enable us to perform arbitrary operations on each ion in the trap simultaneously. This will enable the generation of entanglement between ions in an arbitrary subset of all ions in one trap. The addressing scheme is implemented via an array of fibers where each fiber is imaged onto a single ion. Adjustment to the ion spacing is performed with a micro mirror array, where each fiber output beam hits a single mirror of the array. A telescope between mirror array and objective forms the laser beam such that we can get spot sizes of around one micrometer, smaller than the inter-ion distance. Timing control is obtained by a separate fiber AOM for each fiber output, providing full phase, intensity and frequency control.

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